A CONCEPT LEARNING TASK
A CONCEPT LEARNING TASK • Consider the example task of learning the target concept " Days on which Tom enjoys his favourite water sport ” Table : Positive and negative training examples for the target concept EnjoySport . ü The task is to learn to predict the value of EnjoySport for an arbitrary day , based on the values of its other attributes? ü What hypothesis representation is provided to the learner? · Let’s consider a simple representation in which each hypothesis consists of a conjunction of constraints on the instance attributes . · Let each hypothesis be a vector of six constraints , specifying the values of the six attributes · Sky · AirTemp · Humidity · Wind · Water · Forecast • For each attribute , the hypothesis will either ü Indicate by a "?' that any value is acceptable for this attribute , ü Specify a single required value (e.g., Warm ) for the attribute , or ü I